American football, referred to simply as football in the United States and Canada and also known as gridiron football, [ nb 1 ] is a team sport played by two teams of eleven players on a rectangular field with goalposts at each end.

2024年12月27日 · American football is the version of the sport of football that evolved from English rugby and soccer (association football). American football, played with 11 on each side, originated in North America, primarily in the United States, where it eventually became the country’s leading spectator sport.

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The history of American football can be traced to early versions of rugby football and association football. Both games have their origin in multiple varieties of football played in the United Kingdom in the mid-19th century, in which a football is kicked at a goal or kicked over a line, which in turn were based on the varieties of English ...

美式橄榄球（American football），也称美式足球，橄榄球运动的一种。 美式橄榄球的起源可追溯至19世纪风靡于欧洲的足球与英式橄榄球运动。 1869年，罗格斯大学与普林斯顿大学在美国进行了首场融合足球与英式橄榄球特点的比赛，这被视作大学美式橄榄球比赛的 ...

American football is a form of gridiron football and the most popular sport in the United States. In the United States, the game is most often referred to as simply "football". Football is played in leagues of different size, age and quality, in all regions of the country.

American football, referred to as football in the United States and Canada and also known as gridiron, [nb 1] is a team sport. It is played by two teams with 11 players on each side. American football is played with a ball with pointed ends. Points are scored in many ways, usually by one team getting the ball into the end zone of the other team.

The history of American football can be traced back to early versions of rugby. Both sports have their origins in varieties of football played in England in the mid-19th century. American football is the result of successive divergences from rugby, most notably the rule changes made by Walter Camp, considered the "Father of American Football".

A Brief History of American Football. American football was invented during the 19th century at Ivy League universities in the United States and Canada. Initially different versions of modern football were played at each school; today these versions are …

The International Federation of American Football (IFAF) is the international governingbody for the sport of American football and is responsible for all regulatory, competition,performance and development aspects of the game on a global level.